1、MILITARY SPECIFICATION PLOTTING BOARD: 17 Plotting Board: Ml7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-45b94 12 99999Ob 03085bb b W1L-P- 45694( Ord) (Copies of specifications, standards, drawings and publications required by contraetors
2、in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer, 1 3. REQUIREIMEWS 3.1 Production model.- At the beginning of production one plotting board, representative of production, shall be made available to the Governm
3、ent $0 determine if the board meets all the requirements of this specification. the drawings, material speaffications, and general specifications forming a part of this specification. 3.3 Construction.- The plotting board shall be manufactured in accordance with Drawng F7689472 “Plotting Board: Ml7“
4、, and all drawings pertaining thereto, The requfrements of this specification are detailed only to the extent considered necessary to insure the inherent quality and the performance capabilities of the product .prior to final acceptance by the Government. 3.4 GerIeral spe,cifiatfon,- The contractor
5、shall be responsible for adherence to and compliance with the following requirements of Specification MIL-F-13926: 3.2 Materials.- The materials shall be in accordance with 3.5 Environmentalo 3.5.1 Operating temperature.- The plotting board shall meet the requirements of 3.6 th rough 3.9 when therma
6、lly stabilized at ambient temperatures of minus 40 degrees and plus 125 degrees . Fahrenheit. 3.5.2. Storage temperature.- The plotting board shall show no evidenoe of damage or defects; and the plotting board shall meet the requirements of 3.6 through 3.9 at room ambient temperature (plus 6 to 90 d
7、egrees Fahrenheit) after having been thermally stabiltzed at ambient temperatures of minus 60 degrees and plus 140 degrees Fahrenheit. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.6 O rabilit The dial shall rotate freely about its 6400 - *- mi g
8、yra ion. The pivot pin shall not revolve in the base. pressure and without causing permanent diqtorton. The dial shall be removable from the base with normal finger 3.7 Marking and legibility,- The top face of the dial shall have a matte surface thatpxll permit clear pencil markings and clean erasur
9、es. There shall be no visible defeats such as pits, digs, scratches with depth, strains or other waves on the surface that may be mistaken for pencil markings, or shall cause lines or figures to appear distorted, Lines and figures on the base, as viewed through the dia1,shall be clear and legible wi
10、thout skips or breaks. 3.8 Accurac With one extremity of the dial index.line each of the diametrical center 1ines.of the ba8e, the other extremity of the index line shall be not more than 5 mils out of coincidence with the corresponding base center .line . shall be wjthin 5.a mils as determined by p
11、lacing pencil dots at the target (T) and point shall be accomplished by laying gun and target positions on the dial and reading gun target gosi.tions on the graduated scale as outlined belowo it rt II SC 4.6.4.I A check of concen%rfc%ty between the mil graduations Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
